Software Developer for a Data Processing Platform (BE-CSS-DSP-2026-23-GRAP)
CERNGeneva, Geneva, Switzerland
Posted March 16, 2026
Full Time
About the Company
CERN, the European Organization for Nuclear Research, is a dynamic, inclusive community pushing the boundaries of knowledge.
Job Description
Join our team of experienced software engineers and work on our new cutting edge big data processing and analysis platform. This platform will extend UCAP, our real-time stream processing platform, and combine it with NXCALS, our petabyte-scale offline data storage and analysis system.
Requirements
- Design, implement and evolve the Data Processing Platform (DPP), transforming the existing proof-of-concept into a full-scale, production-ready solution that meets stakeholder requirements and supports both offline and online data analysis and processing.
- Research, design and implement adaptation of the UCAP system to the DPP platform, including the migration of UCAP converters into DPP function-based services.
- Collaborate closely with accelerator operation and equipment specialists to design tailored, user-friendly libraries, APIs and configuration facilities, enabling them to efficiently develop and deploy both traditional and machine learning algorithms written in Python or Java.
Benefits
- A monthly stipend between 6372-7004 Swiss Francs per month (tax free) depending on your degree.
- 30 days of paid leave per year plus 2 weeks annual closure.
- Coverage by CERN's comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
- Family, child and infant monthly allowances depending on your individual circumstances.
- A relocation package (installation grant and travel expenses) depending on your individual circumstances.
- Possibility to extend your contract up to 36 months.
- On-the-job and formal training including language classes.